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Posted: Sat Oct 21, 2006 9:27 am Post subject: ...
accually my uncle told me about this, he uses this technique for his tractor projects... according to him it usually works, but some parts are so rusted that doing this will take away from structual integrety
Necoa #: 6858
Location: 7(AL,GA,TN)
Joined: Feb 07, 2006
Posts: 937
Year: 1970
Model: El Camino
Posted: Sun Oct 22, 2006 8:05 pm Post subject: pool
"Hiding the car in the pool, made it real pretty but it don't run worth a ...." Mell Tillis, Cannon ball run. _________________ Jim
70 ElCamino 461 solid M20 331eaton
http://elcaminocentral.com/gallery-album_album346.html
Necoa #: 4163
Location: 12(MO,OK,KS)
Joined: Oct 21, 2004
Posts: 577
Year: 1985
Model: El Camino
Posted: Wed Dec 06, 2006 7:24 pm Post subject:
I am using electrolosys to de-rust my 55 Merc wagon.
I have a 4'x4' x 3'deep container with water. Itwill hold a complete inner fender (there's one in there now).
COMPLETELY derusting the other one took a week of soaking and 2 hours lightly rubbing with a scouring pad spread over that week.
IF you reverse the polarity you will loose metal, otherwise it is entirely safe.
Necoa #: 594
Location: 13(TX)
Joined: Feb 03, 2003
Posts: 287
Year: 1984
Model: El Camino
Posted: Wed Dec 06, 2006 7:56 pm Post subject:
It does work and is relativly easy but...
It does not remove paint so you still have to sand, chemically strip, sand or abrasive blast the piece to repaint it anyway.
The process works best on bare steel rusted parts because there is little more prep involved.
I prefer to abrasive blast most items. I use a pressure blaster and use coal slag. I do not use sand as it is almost all silica where coal slag has almost no silica.
You will always hear the old "sandblasting warps panels". That can be true with commercial equipment but with home equipment it would be very hard to warp a panel. Sanding panels puts more heat into it than blasting. While blasting the air actually cools the panel.
Another way of removing rust is by using phosphoric acid. It will remove the rust and leave an iron phosphate coating behind. It will not remove good metal though.
Here is a link for the chemistry guys http://www.team.net/sol/tech/deruster.html
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